diff --git a/.gitlab-ci/debian-unstable.Dockerfile b/.gitlab-ci/debian-unstable.Dockerfile
index a981b67..717001f 100644
--- a/.gitlab-ci/debian-unstable.Dockerfile
+++ b/.gitlab-ci/debian-unstable.Dockerfile
@@ -27,7 +27,7 @@ RUN locale-gen C.UTF-8 && /usr/sbin/update-locale LANG=C.UTF-8
 
 ENV LANG=C.UTF-8 LANGUAGE=C.UTF-8 LC_ALL=C.UTF-8
 
-RUN pip3 install meson==0.54.3
+RUN pip3 install meson==0.57.0
 
 ARG HOST_USER_ID=5555
 ENV HOST_USER_ID ${HOST_USER_ID}
diff --git a/libmalcontent-ui/meson.build b/libmalcontent-ui/meson.build
index 1cfa354..d96ca18 100644
--- a/libmalcontent-ui/meson.build
+++ b/libmalcontent-ui/meson.build
@@ -85,7 +85,7 @@ libmalcontent_ui_gir = gnome.generate_gir(libmalcontent_ui,
 
 xmllint = find_program('xmllint', required: false)
 if xmllint.found()
-  gtk_prefix = dependency('gtk+-3.0').get_pkgconfig_variable('prefix')
+  gtk_prefix = dependency('gtk+-3.0').get_variable(pkgconfig: 'prefix')
   test(
     'validate-ui', xmllint,
     args: [
diff --git a/malcontent-control/meson.build b/malcontent-control/meson.build
index d4ef3c1..9b9bb68 100644
--- a/malcontent-control/meson.build
+++ b/malcontent-control/meson.build
@@ -78,7 +78,7 @@ endif
 
 xmllint = find_program('xmllint', required: false)
 if xmllint.found()
-  gtk_prefix = dependency('gtk+-3.0').get_pkgconfig_variable('prefix')
+  gtk_prefix = dependency('gtk+-3.0').get_variable(pkgconfig: 'prefix')
   test(
     'validate-ui', xmllint,
     args: [
diff --git a/meson.build b/meson.build
index 6bdc156..29a5850 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project('malcontent', 'c',
   version : '0.10.5',
-  meson_version : '>= 0.50.0',
+  meson_version : '>= 0.57.0',
   license: ['LGPL-2.1-or-later', 'GPL-2.0-or-later'],
   default_options : [
     'buildtype=debugoptimized',
@@ -34,12 +34,12 @@ if pamlibdir == ''
 endif
 
 dbus = dependency('dbus-1')
-dbusinterfacesdir = dbus.get_pkgconfig_variable('interfaces_dir',
-  define_variable: ['datadir', datadir])
+dbusinterfacesdir = dbus.get_variable(pkgconfig: 'interfaces_dir',
+  pkgconfig_define: ['datadir', datadir])
 
 polkit_gobject = dependency('polkit-gobject-1')
-polkitpolicydir = polkit_gobject.get_pkgconfig_variable('policydir',
-  define_variable: ['prefix', prefix])
+polkitpolicydir = polkit_gobject.get_variable(pkgconfig: 'policydir',
+  pkgconfig_define: ['prefix', prefix])
 
 config_h = configuration_data()
 config_h.set_quoted('GETTEXT_PACKAGE', 'malcontent')